JPS6018819B2 - Throttle valve control device - Google Patents
Throttle valve control deviceInfo
- Publication number
- JPS6018819B2 JPS6018819B2 JP52045982A JP4598277A JPS6018819B2 JP S6018819 B2 JPS6018819 B2 JP S6018819B2 JP 52045982 A JP52045982 A JP 52045982A JP 4598277 A JP4598277 A JP 4598277A JP S6018819 B2 JPS6018819 B2 JP S6018819B2
- Authority
- JP
- Japan
- Prior art keywords
- throttle valve
- control device
- levers
- lever
- valve control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/02—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by hand, foot, or like operator controlled initiation means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/18—Mechanical movements
- Y10T74/18056—Rotary to or from reciprocating or oscillating
- Y10T74/18232—Crank and lever
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Mechanically-Actuated Valves (AREA)
Description
【発明の詳細な説明】
この発明は、振動緩衝要素を介してフレーム、機械本体
などの支持体に取付けられる発動機のための絞り弁制御
装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a throttle valve control device for a motor which is attached via a vibration damping element to a support such as a frame or a machine body.
発動機の絞り弁を回転させるための装置は、一般に、絞
り弁に関連して作動するレバーとケーブルまたはリンク
の系で形成され、絞り設定運動は、作動部材から絞り弁
の旋回軸へ伝達される。The device for rotating the throttle valve of a motor is generally formed by a system of levers and cables or links that act in conjunction with the throttle valve, the throttle setting movement being transmitted from the actuating member to the pivot axis of the throttle valve. Ru.
タ発動機が支持体に固く連結されてはいないという事実
によって、発動機は、例えば負荷を受けて作動するとき
に支持体に対して運動できる。絞り作動用のレバーが、
支持体に取付けられ、或いはこれに連結されている要素
に取付けられているの０で、さらに発動機が、その気化
器および絞り弁と共に、前述の相対運動の結果としてそ
の正規位置から変位するので、対応した運動が、前述の
レバー、リンクなどを介して絞り弁に伝達され、よって
、絞り弁の設定たぶん予め調節された設定が変タ化する
。よって機械の運転者は、絞り作動用のレバーによって
、絞り設定を、前述の相対運動の以前における絞り弁の
設定と同じ設定にもしくは運転者が適当であると考える
別の設定に、補正しなければならない。発動機が変化す
る負荷で運転される場合には、絞り弁の設定の補正がい
まいま必要になり、運転者が定常的に適当な発動機の速
度を維持することが、困難になる。故に、発動機がその
支持体に対して移動できるような状況において、絞り弁
を予め決定された設定に維持できるよにする手段が必要
である。この発明は、絞り弁に回転運動を伝達するため
のいゞ−系において、発動機と支持体の間の運動の影響
を取除くことを目的とする。The fact that the motor is not rigidly connected to the support allows the motor to move relative to the support, for example when operating under load. The lever for operating the aperture is
attached to the support or to an element connected thereto, and also because the engine, together with its carburetor and throttle valve, is displaced from its normal position as a result of the aforementioned relative movements. , a corresponding movement is transmitted to the throttle valve via the aforementioned levers, links, etc., thus changing the setting of the throttle valve, possibly a preset setting. The operator of the machine must therefore correct the throttle setting by means of the lever for actuating the throttle to the same setting as the throttle valve had before the above-mentioned relative movement or to another setting that the operator considers appropriate. Must be. If the engine is operated with varying loads, correction of the throttle valve setting is now required, making it difficult for the operator to consistently maintain a suitable engine speed. Therefore, there is a need for a means to enable the throttle valve to be maintained at a predetermined setting in situations where the motor is movable relative to its support. The object of the invention is to eliminate the effects of movement between the engine and the support in a drive system for transmitting rotational movement to a throttle valve.
このことに関し、絞り弁の回転連動は、機械の運転者が
作動する絞り作動用レバーの位置の変化の正確な関数で
ある。絞り弁への相対運動の影響の除去は、通常機械の
各形式に対して極めて特有なこのような運動の特定の与
えられた様式に、適合しなければならない。以下の説明
は、前述の相対運動が特有の様式を持つような機械の場
合に、発動機と支持体との間の運動の影響を除去する装
置を述べる。この発明の目的を達成するための手段を備
えたこの発明の絞り弁制御装置においては、レバー系が
、作動部材に連結されているレバーと絞り弁に連結され
ているレバーとの、２個のレバーを有し、これら，２個
のレバーが、実質上平行な２個の鞠のおのおのにそれぞ
れ軸架され、かつ互に接触する面をそれぞれ有し、前記
の２個のレバーのうちの少くとも一方のレバーにおける
前記面が、発動機の振動によって生じる旋回運動によっ
て定められる旋回中心にほぼ位置する曲率中心のまわり
でわん曲する。この発明の装置の実施例の配備について
、図面を参照しながら以下に説明する。In this regard, the rotational linkage of the throttle valve is a precise function of the change in the position of the throttle actuating lever actuated by the operator of the machine. The elimination of the influence of relative movements on the throttle valve must be adapted to the particular given mode of such movement, which is usually very specific to each type of machine. The following description describes a device for eliminating the effects of movement between the motor and the support in the case of machines in which the above-mentioned relative movement has a characteristic pattern. In the throttle valve control device of the present invention equipped with means for achieving the object of the present invention, the lever system includes two levers, one connected to the actuating member and the other lever connected to the throttle valve. levers, these two levers are each pivoted on each of the two substantially parallel balls, and each has surfaces in contact with each other, and the lesser of the two levers is Said surfaces on both levers are curved around a center of curvature located approximately at the center of pivot defined by the pivoting movement caused by the vibrations of the motor. The deployment of an embodiment of the device of the invention will be explained below with reference to the drawings.
図示の絞り弁制御装置の実施例は、回転運動を腕状の作
動部材１から絞り弁の旋回軸２に伝達するための、レバ
ー系を持つ。The illustrated embodiment of the throttle valve control device has a lever system for transmitting a rotary movement from the arm-shaped actuating member 1 to the pivot axis 2 of the throttle valve.
作動部村１は、軸３によって支持体に取付けられ、発動
機（図示なし）は、ゴム製の振動緩衝要素４によって「
支持体に弾性的に懸架される。作動部材１の外端は、支
持体に関連する取手６の中に位置する指動握り５を持つ
。取手６の中にはさらに頚止部材７が配置され、この鶏
止部村７は、図示の位置において、作動部材１の肩８を
この鶏止部材７の突起９に対向配置させることによって
、作動部村１を下方限界位置に掛止めする。突起９が肩
８を滑り通過するように取手６の中で頚止部材７を押下
げると、掛止めは解放される。これによって作動部材１
は、指動握り５に圧力を作用させたときに、上向きに旋
回できる。作動部材１のこの旋回運動は、この作動部材
１に固定連結されてこれから延長し従って軸３のまわり
を旋回するわん曲した第１レバー１０１こよって、助長
される。第１レバー１０は、発動機に組込まれる気化器
１１の上に延長する部分を有し、よって振動に関して支
持体から切離される。第１レバー１０の下面１２は、そ
の前方部分１９において、同じくめん曲した第２レバー
１４の１方の脚１３に接触する。この第２レバー１４の
他方の脚１５は、リンク１６を介して板１７に連結され
、この板１７は、絞り弁の旋回軸２に連結される。作動
部材１の旋回運動は、軸１８に鞠架されている第２レバ
ー１４に、第１レバー１川こよって伝達され、さらにリ
ンク１６によって板１７に伝達され、この板１７を介し
て絞り弁の旋回軸２に伝達される。板１７は、絞り弁を
戻しこれと共に作動部材１を下方限界位置へ戻そうとす
る戻いまねの作用に抗しつつ、旋回させられる。前述し
たように、支持体と発動機は、ゴム製の振動緩衝要素４
を介して間接的に連結される。The actuating part 1 is attached to a support by an axle 3, and the motor (not shown) is supported by a vibration damping element 4 made of rubber.
It is elastically suspended on a support. The outer end of the actuating member 1 has a finger grip 5 located in a handle 6 associated with the support. A neck stop member 7 is further disposed inside the handle 6, and this stop member 7 can be configured by arranging the shoulder 8 of the actuating member 1 to face the protrusion 9 of the stop member 7 in the illustrated position. The actuating section 1 is latched at the lower limit position. When the clasp 7 is pushed down in the handle 6 so that the projection 9 slides past the shoulder 8, the latches are released. As a result, the actuating member 1
can pivot upward when pressure is applied to the finger grip 5. This pivoting movement of the actuating member 1 is facilitated by a curved first lever 101 which is fixedly connected to the actuating member 1 and extends from it and thus pivots about the axis 3. The first lever 10 has a part extending above the carburetor 11 which is integrated into the engine and is thus decoupled from the support with respect to vibrations. The underside 12 of the first lever 10 contacts, at its front part 19, one leg 13 of a second lever 14, which is also bent. The other leg 15 of this second lever 14 is connected via a link 16 to a plate 17, which plate 17 is connected to the pivot shaft 2 of the throttle valve. The pivoting movement of the actuating member 1 is transmitted by the first lever 1 to a second lever 14 which is suspended on a shaft 18 and is further transmitted by a link 16 to a plate 17 via which the throttle valve is is transmitted to the pivot shaft 2 of the The plate 17 is pivoted against the action of the return spring which attempts to return the throttle valve and with it the actuating member 1 to its lower limit position. As mentioned above, the support and the engine are equipped with vibration damping elements 4 made of rubber.
indirectly connected via.
第２レバー１４と第１レバーｌ川ま、第１レバー１０の
下面１２特にその前方部分１９が第２レバー１４の脚１
３に押付けられたときに、支持体と発動機部分の間の別
連結を形成する。作動の際に、例えば機械の運転者が、
発動機部分またはこれに連結されている部材を取手によ
って押すときに、発動機は支持体に対して移動し、これ
によって、第２レバー１４の脚１３は第１レバー１０の
下面１２に対して滑る。通常これは、絞り弁の位置を変
えることのできる第２レバー１４の脚１３に、作動部材
１の作動ないこ力が加わること、を意味する。図示の実
施例では、第１レバー１０と第２レバー１４の連結は、
望ましくなく従って除去すべきこの力を考慮して、構成
される。発動機部分と支持体の間の相対運動は、第１図
の断面に実質上平行な平面の中に位置する。何故ならば
、ゴム製の振動緩衝要素４の軸線方向がこの平面に直交
する、すなわち振動緩衝要素がらせん運動を行なうから
である。この場合に、相対運動は、発動機部分における
仮想中心点を中心とする旋回運動である。かくして、第
２レバー１４の脚１３の端部は、このような旋回運動の
際に円弧を描き、故に、、第１レバー１０の下面１２特
にその外方部分１９は、かかる円弧を持たなければなら
ず、このようにすると、第２レバー１４の脚１３が第１
レバー１０の下面１２に対して滑るときに力のモーメン
トがこの胸１３に起ることはない。第１図から明らかな
ように、第１レバー１０の下面１２の外方部分１９は軽
〈わん曲し、これによって、前述した相対運動の際に脚
１３の端部が滑る円弧が提供される。第１図に示すよう
に、軸３および軸１８の位置は、第２レバー１４の脚１
３と第１レバー１０との間の接触点２０を通る１つの線
の上に実際上位層する。Between the second lever 14 and the first lever, the lower surface 12 of the first lever 10, especially its front part 19, is connected to the leg 1 of the second lever 14.
3 forms a separate connection between the support and the motor part. During operation, the operator of the machine, for example,
When the mover part or the member connected thereto is pushed by the hand, the mover moves relative to the support, so that the leg 13 of the second lever 14 is moved against the underside 12 of the first lever 10. slide. Usually this means that the actuating force of the actuating member 1 is applied to the leg 13 of the second lever 14, which can change the position of the throttle valve. In the illustrated embodiment, the connection between the first lever 10 and the second lever 14 is as follows:
It is constructed taking into account this force which is undesirable and therefore should be eliminated. The relative movement between the mover part and the support lies in a plane substantially parallel to the cross-section of FIG. This is because the axial direction of the rubber vibration damping element 4 is perpendicular to this plane, that is, the vibration damping element performs a helical movement. In this case, the relative movement is a pivoting movement about a virtual center point in the motor part. Thus, the end of the leg 13 of the second lever 14 traces an arc during such a pivoting movement, so that the lower surface 12 of the first lever 10, especially its outer part 19, has no such arc. If you do this, the leg 13 of the second lever 14 will be
No moment of force occurs on this chest 13 when sliding against the underside 12 of the lever 10. As can be seen in FIG. 1, the outer portion 19 of the underside 12 of the first lever 10 is slightly curved, thereby providing an arc on which the end of the leg 13 slides during the relative movement described above. . As shown in FIG.
3 and the first lever 10 over a line passing through the contact point 20.
これは、この接触点における摩擦力が胸１３の縦軸線に
ほぼ沿うような向きを有し、従ってこの脚に力のモーメ
ントが生じることはない、ということを意味する。この
ことは特に、作動部材１が図示の下方限界位置から軽く
特上げられる場合、すなわち第１レバー１０が正規の絞
り設定に調節される場合、にあてはまる。脚１３と第１
レバー１０の真直部分はかかる位置においてはほぼ平行
になる。脚１３、第１レバー１０およびそのわん曲した
下面外方部分１９の図示の配備では、発動機と支持体の
間の相対運動の結果として力のモーメントが脚に作用す
ることはない。This means that the frictional force at this point of contact has an orientation approximately along the longitudinal axis of the chest 13, so that no moment of force is created on this leg. This applies in particular when the actuating member 1 is raised slightly from the lower limit position shown, ie when the first lever 10 is adjusted to the normal diaphragm setting. Leg 13 and 1st
The straight portions of the lever 10 are approximately parallel in this position. In the illustrated arrangement of the leg 13, the first lever 10 and its curved lower outer part 19, no moment of force acts on the leg as a result of the relative movement between the motor and the support.
この配備は、予め定められた位置に絞り弁を維持すると
いう問題を解決できる方法の例示となる。同様の解決が
この配備の変型によって達成できることも観察でき、例
えば第２レバー１４は、２重腕の真直なしバ一に置き換
えでき、作動部村１と第１レバー１０との組合せは、単
一のレバーに置き換えできる。上述した配備の或る実施
例は、仮想中心点を中心とする前述の旋回運動とは異な
る様式の相対運動にも適合できる。このような系の変型
をも、この発明は包含する。This arrangement is illustrative of how the problem of maintaining the throttle valve in a predetermined position can be solved. It can also be observed that a similar solution can be achieved by a variant of this arrangement, for example the second lever 14 can be replaced by a double-armed straight bar, and the combination of the actuating part 1 and the first lever 10 can be replaced by a single It can be replaced with the lever. Certain embodiments of the arrangement described above may also accommodate a different type of relative movement than the previously described pivoting movement about a virtual center point. This invention also encompasses variations of such systems.
第１図はこの発明の装置の構成要素の側面図、第２図は
第１図に示す構成要素の斜視図である。FIG. 1 is a side view of the components of the apparatus of the invention, and FIG. 2 is a perspective view of the components shown in FIG.
Claims (1)
り弁が、振動緩衝のため振動緩衝要素を介して支持体で
支持される発動機に取付けられ、かつ旋回軸を有し、前
記作動部材が前記支持体に取付けられている、発動機の
ための絞り弁制御装置において、前記レバー系が、前記
作動部材に連結されているレバーと前記絞り弁に連結さ
れているレバーとの、２個のレバーを有し、前記の２個
のレバーが、実質上平行な２個の軸のおのおのにそれぞ
れ軸架され、かつ互に接触する面をそれぞれ有し、前記
の２個のレバーのうちの少くとも一方のレバーにおける
前記面が、発動機の振動によつて生じる旋回運動によつ
て定められる旋回中心にほぼ位置する曲率中心のまわり
でわん曲する、ことを特徴とする絞り弁制御装置。 ２ ２個のレバーが互に接触する場所が２個の平行な軸
の軸線中心を通つて延びる１つの線の上に位置するよう
に、これらの２個の平行な軸が配置される、特許請求の
範囲第１項に記載の絞り弁制御装置。 ３ ２個のレバーが実質上平行になるような位置へ、こ
れらのレバーが作動部材で移動できる、特許請求の範囲
第２項に記載の絞り弁制御装置。 ４ 円筒の形状を有する多くの振動緩衝要素が存し、こ
れら振動緩衝要素の中心軸線が、互にほぼ平行であり、
かつ前記の２個のレバーをそれぞれ軸架する前記の２個
の軸に対してほぼ平行である、特許請求の範囲第１項に
記載の絞り弁制御装置。 ５ 前記の２個の軸の一方が発動機に固定配置され、他
方が前記支持体に取付けられる、特許請求の範囲第１項
に記載の絞り弁制御装置。[Scope of Claims] 1 Consisting of an actuating member, a lever system, and a throttle valve, the throttle valve being attached to a motor supported by a support via a vibration damping element for vibration damping, and having a pivot shaft. In the throttle valve control device for a motor, the actuation member is attached to the support, the lever system includes a lever connected to the actuation member and a lever connected to the throttle valve. The two levers are respectively mounted on two substantially parallel shafts, and have surfaces that contact each other, and the two levers have surfaces in contact with each other. characterized in that the surface of at least one of the levers is curved around a center of curvature located approximately at a pivot center defined by a pivoting motion caused by vibrations of the engine. Throttle valve control device. 2. A patent in which the two parallel shafts are arranged such that the place where the two levers come into contact with each other lies on a line extending through the center of the axes of the two parallel shafts. A throttle valve control device according to claim 1. 3. Throttle valve control device according to claim 2, wherein the two levers can be moved by an actuating member into a position such that the two levers are substantially parallel. 4. There are many vibration damping elements having a cylindrical shape, the central axes of these vibration damping elements are substantially parallel to each other,
The throttle valve control device according to claim 1, wherein the throttle valve control device is substantially parallel to the two shafts on which the two levers are respectively mounted. 5. The throttle valve control device according to claim 1, wherein one of the two shafts is fixedly arranged on the motor and the other shaft is attached to the support.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE76046283 | 1976-04-22 | ||
| SE7604628A SE392322B (en) | 1976-04-22 | 1976-04-22 | GAS CONTROL |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS52155424A JPS52155424A (en) | 1977-12-23 |
| JPS6018819B2 true JPS6018819B2 (en) | 1985-05-13 |
Family
ID=20327660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP52045982A Expired JPS6018819B2 (en) | 1976-04-22 | 1977-04-22 | Throttle valve control device |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4144770A (en) |
| JP (1) | JPS6018819B2 (en) |
| DE (1) | DE2718109C2 (en) |
| GB (1) | GB1565283A (en) |
| SE (1) | SE392322B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63129612U (en) * | 1987-02-18 | 1988-08-24 | ||
| JPS6422612U (en) * | 1987-07-31 | 1989-02-06 | ||
| JPH0377707U (en) * | 1989-12-01 | 1991-08-06 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57123928U (en) * | 1981-01-27 | 1982-08-02 | ||
| JPS6095147U (en) * | 1983-12-02 | 1985-06-28 | 株式会社共立 | Throttle safety device |
| SE450147B (en) * | 1985-10-31 | 1987-06-09 | Electrolux Ab | GASREGLERINGSANORDNING |
| JPH01157244U (en) * | 1988-04-21 | 1989-10-30 | ||
| DE3916414C3 (en) * | 1988-06-10 | 1997-03-13 | Kioritz Corp | Portable, motor-driven machine |
| JP2538321Y2 (en) * | 1991-01-23 | 1997-06-11 | 株式会社共立 | Chainsaw |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2809623A (en) * | 1956-10-01 | 1957-10-15 | Fred V Hall | Control device for carburetor-type internal combustion engines |
| US3870117A (en) * | 1972-10-12 | 1975-03-11 | Outboard Marine Corp | Snowmobile motor mounting |
| US3943206A (en) * | 1973-12-12 | 1976-03-09 | Ford Motor Company | Carburetor temperature responsive throttle plate positioner |
| FR2281244A1 (en) * | 1974-08-07 | 1976-03-05 | Peugeot & Renault | BODY AND MOTOR SUSPENSION DEVICE IN A MOTOR VEHICLE |
-
1976
- 1976-04-22 SE SE7604628A patent/SE392322B/en unknown
-
1977
- 1977-04-21 GB GB16543/77A patent/GB1565283A/en not_active Expired
- 1977-04-21 US US05/789,708 patent/US4144770A/en not_active Expired - Lifetime
- 1977-04-22 DE DE2718109A patent/DE2718109C2/en not_active Expired
- 1977-04-22 JP JP52045982A patent/JPS6018819B2/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63129612U (en) * | 1987-02-18 | 1988-08-24 | ||
| JPS6422612U (en) * | 1987-07-31 | 1989-02-06 | ||
| JPH0377707U (en) * | 1989-12-01 | 1991-08-06 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS52155424A (en) | 1977-12-23 |
| DE2718109C2 (en) | 1984-11-08 |
| SE392322B (en) | 1977-03-21 |
| US4144770A (en) | 1979-03-20 |
| DE2718109A1 (en) | 1977-11-10 |
| GB1565283A (en) | 1980-04-16 |
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